davinci: mityomapl138: Use auto-probe to determine attached PHY ID
davinci: mityomapl138: Use auto-probe to determine attached PHY ID

Current board configurations involving the MityDSP-L138 and MityARM-1808
only have one attached PHY, but it's address may not be the same.  Default
the behavior to auto-probe for the PHY and use the first one found.

Signed-off-by: Michael Williamson <06aa4020ece94d3ea8bdaca03e28eaba37f5c2e6@criticallink.com>
Signed-off-by: Sekhar Nori <946cfb81282bb55c59f600e7ee3d3b2c6973f7a3@ti.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs